Wall block



FIG. 1 is a perspective view of a wall block showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view of a second embodiment of a wall block showing my new design;

FIG. 8 is a front elevational view of FIG. 7;

FIG. 9 is a top plan view of FIG. 7;

FIG. 10 is a bottom plan view of FIG. 7;

FIG. 11 is a side elevational view of FIG. 7, the opposite side being a mirror image thereof;

FIG. 12 is a rear elevational of FIG. 7;

FIG. 13 is a perspective view of a third embodiment of a wall block showing my new design;

FIG. 14 is a front elevational view of FIG. 13;

FIG. 15 is a top plan view of FIG. 13;

FIG. 16 is a bottom plan view of FIG. 13;

FIG. 17 is a side elevational view of FIG. 13, the opposite side being a mirror image thereof; and

FIG. 18 is a rear elevational view of FIG. 13. 

The ornamental design for a wall block, as shown and described. 